Cobra is dedicated to making information easily available to our customers. Below, please find our most current technical bulletins.

Technical Support Line
Monday – Friday  8:00am – 3:30pm EST
(517) 437-9100 (Option “0” to ask for support)

2017 Technical Service Bulletins

TSB0117 – 2016 CX50 FWE Cylinders
TSB0217 – Carburetor Bowl Kit for CX50
TSB0317 – Carburetor Cover for CX50
TSB0417 – Head Insert for 2016.5 CX50 FWE
TSB0517 – Transmission and Clutch Oil for CX50
TSB0617 – Cylinder Head Nut Torque on Venom 50 Engines
TSB0717 – Crank Bearings for 2017 CX65 Engines
TSB0817 – Clutch Cap for CX65
TSB1017 – Rear Brake Master Cylinder 2016 CX65
TSB1117 – Tool for Draining the Oil from CX65
TSB1217 – Bearing Retainers in 50 Engines
TSB1317 – Brake Fluid for the Rear Brake 2017 CX65
TSB1417 – Rear Pedal Service Intervals on 2017  CX65
TSB1517 – Piston for CX65 with 44.5mm Bore

2016 Technical Service Bulletins

TSB0116 – 2016 King Radiator on older Models
TSB0216 – 50cc Clutch Baskets
TSB0316 – Intake Boot for CX65
TSB0416 – Silencer to Pipe Sleeves
TSB0516 – Sprocket Shims
TSB0616 – Swingarm Pivot Bolts for All Bikes
TSB0716 – Clutch Nut Belleville on CX50’s
TSB0816 – CX50 FWE Jetting
TSB0916 – CX50 FWE Water Pump Pulleys
TSB1016 – CX65 Kick Ramp/Ramp Gear – 2014 & older 
TSB1116 – Head Insert for CX65
TSB1216 – Air filter for CX50 JR
CSB0116 – Mod Kit for FWE Engine
TSB1416 – CX65 CDI Unit
TSB1616 – CX50 FWE Intake Spacer
TSB1716 – Transmission Components for CX65

2015 Technical Service Bulletins

TSB0115 – 5GX Clutch Bolt Removal
TSB0215 – King and CX65 Shroud Screws
TSB0315 – Old Intake Boots for 50
TSB0415 – Clutch Components for 50
TSB0415 – Clutch Components for 50 II
TSB0515 – CX65 Lever Pivot Bolt Retainer
TSB0615 – CX65 Power Valve & Solenoid
TSB0715 – CX65 2012 – 2014 Frame Replacements

2014 Technical Service Bulletins

TSB0614 – Dunlop Tires for the CX65
TSB0714 – 2007 – 2011 CX65 Replacement Engine
TSB0514 – 2014 Clutch Arbor
TSB0414 – CX65 CDI Unit
TSB0314 – CX65 Exhaust O’Rings
TSB0114 – Power Valve Cable Spring

2013 Technical Service Bulletins

TSB0113 – 65cc Front Brake System Adjustments
TSB0413 – CX65 Spark Plug
TSB0513 – BKC60811 Front Brake Upgrade
TSB0713 – Power Valve Mounting Upgrade for 2012
TSB0813 – Autolite Sparkplugs on CX65 2007-2011
TSB0913 – Clutch Slave O’Ring for CX65 2013
TSB1213 – CX65 Airbox Plastic Feature
TSB0613 – Power Valve Upgrade
TSB1113 – JR Rear Wheel Adjustment
TSB1313 – Power Valve Upgrade Kit

 

2012 Technical Service Bulletins

TSB0112 – ECX80 Head Nut Torque
TSB0212 – Autolite Spark Plugs
TSB0312 – Replacement Silencer Grommets
TSB0412 – 50cc Cylinder Kits Service Replacement
TSB0512 – Cobra Water Pump Seals
TSB0612 – 2007-2009 CX65 Exhuast Pipe
TSB0712 – CX65 Fork Seal & Swiper
TSB0812 – V3 CFD Refresh Kits
TSB0912 – 2008 King 50 Expansion Chamber
TSB1012 – CX65 Exhaust Flange Sealing
TSB1112 – CX65 Rear Brakes
TSB1212 – 3-Shoe Clutch Assembly
TSB1312 – CX65 Spark Plug Recommendations
TSB1412 – Cobra Front Forks
TSB1512 – Solenoid Care on 2012 CX65
TSB1612 – 60 Mod Head Insert Guide
TSB1712 – Rear Brake Bleeding CX65 II
TSB1812 – Fuel Requirements for 2012 CX65
TSB1912 – Silencers for all Cobra Products
TSB2012 – Top End Details for 70SS Engine
TSB2112 – CX665 Power Valve Gasket
TSB2212 – 50cc Intake Screws Re-Tignhtening

2011 Technical Service Bulletins

TSB0011 – King Head Insert
TSB0111 – Swiper for JR and OI
TSB0211 – 2010 King Air Filter Cage Upgrade
TSB0311 – Kick Lever
TSB0411 – 50cc Output Shaft
TSB0511 – 50cc Brake Pedal
TSB0611 – 2010 CX65 Cylinder and Head Insert
TSB0711 – Liquid Performance Mini Coolant
TSB0811 – 50cc Top-End Connecting Rod Bearing
TSB0911 – Cobra Friction Drive – V3
TSB1011 – 65cc Ignition
TSB1111 – 50cc Clutch Arbor
TSB1211 – CX65 Rear Brake Bleeding Procedure
TSB1311 – CX65 Piston
TSB1411 – King and JR Front Engine Mounts
TSB1511 – Three-Shoe Clutch Washer Stacks
TSB1611 – New-Style Clutch Shoes
TSB1711 – King and CX65 Triple Clamps
TSB1811 – JR Ignition Coil

2010 Technical Service Bulletins

TSB0111 – JR/OI Fork Dust Cover (Swiper)
TSB0110 – Steering Stem Cap
TSB0210 – Clutch Washer Stacks
TSB0310 – Shock Compression Adjust Knob CX65
TSB0410 – 2010 CX65 Pipe
TSB0510 – 2010 King Chain Guard Bolt
TSB0610 – 2010 CX65 Subframe
TSB0710 – Clutch Summary
TSB0810 – Fuel Petcock
TSB0910 – Clutch Arbors
TSB1010 – JR Case Vent
TSB1110 – King Expansion Chamber
TSB1210 – King and JR Cylinder Head Insert
TSB1310 – CFD Hub Pressure Plate Assembly
TSB1410 – CX65 Carburetor

 

2009 Technical Service Bulletins

TSB1209 – CX65 Rear Brake Caliper
TSB0109 – King Expansion Chamber
TSB0209 – Reeds on 2008 King
TSB0309 – Cobra Frictional Drive (CFD) Version 2
TSB0409 – Cobra JR / OI Radiator with Louvers
TSB0509 – Seat Washer / Strap Handle for JR and OI
TSB0609 – King Rear Shock
TSB0709 – ’09 65 Engine Components
TSB0809 – Water Pump Impellers

2008 Technical Service Bulletins

TSB0108 – Water Pump Impellers
TSB0208 – CFD Upgrade for 50’s
TSB0308 – 2007 CX65 Engine Components
TSB0408 – CX65 Front Fork Bottom (Brake Side)
TSB0708 – CX65 Front Brake Master Cylinder
TSB0808 – CX65 50cc Arbor / Kick Start Gear Spacer
TSB0908 – 2005-2007 King Expansion Chamber
TSB1008 – 2008 CX50SR (King) Ignition System
TSB1208 – CX65 Clutch Pressure Plate
TSB1408 – CX50 JR & OI Radiator
TSB1508 – Ø47.6mm Piston Ring Life
TSB1608 – CX50 SR King Reeds

2007 Technical Service Bulletins

TSB1207 – CX65 Shift Cassette and Spring
TSB1307 – ECX Throttle Cable Grommet
TSB1407 – ECX Radiator Mounting Brackets
TSB1507 – CX65 Airbox Water Protection
TSB1107 – CX65 Top End
TSB0507 – ECX Throttle Cable
TSB0607 – ECX Swingarm Pivot Bolt
TSB0707 – Cylinder Head-Nuts CX65 and ECX70
TSB0807 – Cylinder CM
TSB0907 – Proper Slip Torque

2006 Technical Service Bulletins

TSB0106 – Clutch Comparison 05 to 06
TSB0206 – Kick Gear
TSB0306 – Output shaft
TSB0406 – King Rear Shock
TSB0506 – Mods on 2006 Models
TSB0606 – 3 Wire Stator Leads
TSB0706 – King Forks
TSB0806 – CFD (Slipper) Hub King CM
TSB0906 – King Fork Cartridge Tube
TSB1006 – King CM Case Bolts
TSB1806 – CFD Upgrade

2005 Technical Service Bulletins

TSB0205 – PW3 Water Pump
TSB0305 –  King CM Stator Cooling
TSB0405 – CM Cylinder Heads
TSB0505 – King Air Filter and Airbox
TSB0605 – Fuel Petcock for all Cobra
TSB0705 – Throttle Cable for King & CM

2004 Technical Service Bulletins

TSB1504 – 2004 CM & PW Shock Spring
TSB1404 – 2004 CM Rear Shock Valving
TSB0104 – King Rear Brake
TSB0204 – King & CM Clutch Washer
TSB0304 – King CM Clutch Cover
TSB0404 – 2004 King Wire
TSB0504 – 2004 Water Pump Pulley
TSB0604 – 2004 Champion Spark
TSB0704 – King Front Brake Caliper
TSB0804 – 2004 King Rear Brake Carrier
TSB0904 – 2004 King Performance
TSB1004 – 2004 King CM Engine Case
TSB1104 – 2004 King Kick Lever Set
TSB1204 – 2004 CM & PW Carburetor Inlet
TSB1304 – 2004 CM & King BNaring
TSB1604 – 2004 CM Shock Valving